Most of the world's energy is supplied by which of the following?

fossil fuels

nuclear power

geothermal technology

alternative renewable resources

Nearly 80% of the world's energy is supplied by fossil fuels. This involves Coal, oil and natural gas. We use these fossil fuels to run our vehicles, generate electricity that is used everywhere. We use natural gas for cooking purposes or for generating electricity. This leads to a serious increase in the carbon dioxide in out atmosphere, which in turn will have catastrophic effect on the entire earth.

Answer: Fossil fuels